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4189172904 = 23347923539
BaseRepresentation
bin1111100110110001…
…1011010010101000
3101210221200000220000
43321230123102220
532034412013104
61531404303000
7205545245040
oct37154332250
911727600800
104189172904
11185a751674
1298ab41a60
13519b87847
142ba518720
15197b91639
hexf9b1b4a8

4189172904 has 80 divisors (see below), whose sum is σ = 13409800800. Its totient is φ = 1196905248.

The previous prime is 4189172903. The next prime is 4189172921. The reversal of 4189172904 is 4092719814.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4189172904.

It is not an unprimeable number, because it can be changed into a prime (4189172903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 457234 + ... + 466305.

It is an arithmetic number, because the mean of its divisors is an integer number (167622510).

Almost surely, 24189172904 is an apocalyptic number.

It is an amenable number.

4189172904 is an abundant number, since it is smaller than the sum of its proper divisors (9220627896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4189172904 is a wasteful number, since it uses less digits than its factorization.

4189172904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923564 (or 923551 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 4189172904 is about 64723.8202209975. The cubic root of 4189172904 is about 1612.0410445045.

It can be divided in two parts, 418917 and 2904, that added together give a triangular number (421821 = T918).

The spelling of 4189172904 in words is "four billion, one hundred eighty-nine million, one hundred seventy-two thousand, nine hundred four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 81 84 108 126 162 168 189 216 252 324 378 504 567 648 756 1134 1512 2268 4536 923539 1847078 2770617 3694156 5541234 6464773 7388312 8311851 11082468 12929546 16623702 19394319 22164936 24935553 25859092 33247404 38788638 49871106 51718184 58182957 66494808 74806659 77577276 99742212 116365914 149613318 155154552 174548871 199484424 232731828 299226636 349097742 465463656 523646613 598453272 698195484 1047293226 1396390968 2094586452 4189172904